Calculate minimum and maximum content width #888

Job	Run time
Prime LFS Cache	6s
formatting	10s
cargo check (msrv) (android) (armv7-linux-androideabi)	24s
cargo check (msrv) (android) (aarch64-linux-android)	43s
cargo check (msrv) (windows-latest)	1m 29s
cargo clippy (windows-latest)	1m 56s
cargo check (msrv) (android) (x86_64-linux-android)	42s
cargo clippy (macos-latest)	1m 3s
cargo clippy (android) (armv7-linux-androideabi)	57s
cargo check (msrv) (macos-latest)	38s
cargo clippy (ubuntu-latest)	58s
cargo clippy (android) (aarch64-linux-android)	1m 42s
cargo doc (windows-latest)	1m 26s
cargo check (msrv) (ubuntu-latest)	29s
cargo clippy (android) (x86_64-linux-android)	1m 41s
cargo doc (macos-latest)	23s
typos	6s
cargo doc (ubuntu-latest)	19s
cargo test (windows-latest)	1m 38s
cargo test (macos-latest)	41s
cargo test (ubuntu-latest)	29s
	18m 0s

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